Beginning on January 1, park rangers in Everglades National Park began recording the water level for one particularly dry area of the park. The water level was initially 2.5 ft and decreased by approximately 0.015 ft/day. a. Write a function representing the water level L x (in ft), x days after January 1. b. Write an equation for L − 1 x . c. What does the inverse handier, represent in the context of this problem? d. Evaluate L − 1 1.9 and interpret its meaning in context.
Beginning on January 1, park rangers in Everglades National Park began recording the water level for one particularly dry area of the park. The water level was initially 2.5 ft and decreased by approximately 0.015 ft/day. a. Write a function representing the water level L x (in ft), x days after January 1. b. Write an equation for L − 1 x . c. What does the inverse handier, represent in the context of this problem? d. Evaluate L − 1 1.9 and interpret its meaning in context.
Solution Summary: The author determines the function L(x) ( in ft ) which defines the water level x days after January 1.
Beginning on January 1, park rangers in Everglades National Park began recording the water level for one particularly dry area of the park. The water level was initially 2.5 ft and decreased by approximately 0.015 ft/day.
a. Write a function representing the water level
L
x
(in ft), x days after January 1.
b. Write an equation for
L
−
1
x
.
c. What does the inverse handier, represent in the context of this problem?
d. Evaluate
L
−
1
1.9
and interpret its meaning in context.
8. For x>_1, the continuous function g is decreasing and positive. A portion of the graph of g is shown above. For n>_1, the nth term of the series summation from n=1 to infinity a_n is defined by a_n=g(n). If intergral 1 to infinity g(x)dx converges to 8, which of the following could be true? A) summation n=1 to infinity a_n = 6. B) summation n=1 to infinity a_n =8. C) summation n=1 to infinity a_n = 10. D) summation n=1 to infinity a_n diverges.
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13: If the perimeter of a square is shrinking at a rate of 8 inches per second, find the rate at which its area is changing when its area is 25 square inches.
DO NOT GIVE THE WRONG ANSWER
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11: A rectangle has a base that is growing at a rate of 3 inches per second and a height that is shrinking at a rate of one inch per second. When the base is 12 inches and the height is 5 inches, at what rate is the area of the rectangle changing?
College Algebra with Modeling & Visualization (5th Edition)
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